package com.bdqn.util;

import org.dom4j.io.SAXReader;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.transform.*;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import java.io.FileOutputStream;
import java.io.IOException;


public class examples04 {
    public static void main(String[] args) {

        try {
            //得到DOM解析器的工厂实例
            DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
            //从DOM工厂获得DOM解析器
            DocumentBuilder db = dbf.newDocumentBuilder();
            //解析XML文档,得到一个Document对象,即DOM树
            Document doc = db.parse("src/收藏信息");
            //读取Brand节点
            Element brandElement = doc.createElement("Brand");
            brandElement.setAttribute("name", "三星");
            //创建Type节点
            Element typeElement = doc.createElement("Type");
            typeElement.setAttribute("name", "NoteX");
            //添加父子关系
            brandElement.appendChild(typeElement);
            Element phoneElement = (Element) doc.getElementsByTagName("PhoneInfo").item(0);
            phoneElement.appendChild(brandElement);

            //保存XML文件
            TransformerFactory transformerFactory = TransformerFactory.newInstance();
            Transformer transformer = transformerFactory.newTransformer();
            DOMSource domSource = new DOMSource(doc);
            //设置编码类型
            transformer.setOutputProperty(OutputKeys.ENCODING, "gb2312");
            StreamResult result = new StreamResult(
                    new FileOutputStream("src/收藏信息.xml")
            );
            //把DOM树转换为XML文件
            transformer.transform(domSource, result);
        } catch (ParserConfigurationException e) {
            e.printStackTrace();
        } catch (SAXException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        } catch (TransformerConfigurationException e) {
            e.printStackTrace();
        } catch (TransformerException e) {
            e.printStackTrace();
        }

    }
}
